Home / 272,447.52-408,686.64-82,914.06

Finding the Fourth Proportional to 272,447.52, 408,686.64 and 82,914.06

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Solution

The fourth proportional to 272,447.52, 408,686.64 and 82,914.06 is: 124,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,447.52 : 408,686.64 = 82,914.06 : x
  2. Step 2: Convert to fraction form
    272,447.52/408,686.64 = 82,914.06/x
  3. Step 3: Cross multiply
    272,447.52x = 408,686.64 × 82,914.06
  4. Step 4: Simplify right side
    272,447.52x = 33,885,868,590.16
  5. Step 5: Solve for x
    x = 33,885,868,590.16/272,447.52
  6. Step 6: Final answer
    x = 124,375.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.